Patent US3331175A successfully refreshed from Google Patents.
US3331175A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of forming decorative face building units
Assignee: Individual
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Filing: 1964-05-14
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Granted: 1967-07-18
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Expires: 1984-05-14
Abstract
No abstract record available.
Inventors
- 👤 Harry H Terrio
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 20:45
CPC Classifications
B; B28; B28B; B28B19/00; B28B19/0007
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
67 words
A DECORATIVE FACE CONCRETE UNIT CONSISTING OF A CONCRETE BLOCK, A PLURALITY OF ROCKS EMBEDDED IN ONE FACE OF SAID BLOCK AND PROJECTING THEREFROM, AND A PERIPHERAL DEPRESSION IN SAID ONE FACE SURROUNDING EACH ROCK AND GENERALLY CONFORMING TO THE EXPOSED PERIPHERY THEROF, SAID ONE FACE SMOOTHLY BULGING OUTWARD BETWEEN THE ROCK SURROUNDING DEPRESSIONS AND DEFINING, IN CONJUNCTION WITH SAID DEPRESSION, A SHADOW EFFECT ABOUT EACH BLOCK.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-07-17 | 1971-01-16 | 1971-07-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-07-17 | 1975-01-16 | 1975-07-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-07-17 | 1979-01-16 | 1979-07-18 | $7700.00 | Window Closed / Lapsed |